6866517601 has 8 divisors (see below), whose sum is σ = 7109138880. Its totient is φ = 6624286032.

The previous prime is 6866517571. The next prime is 6866517611. The reversal of 6866517601 is 1067156686.

6866517601 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6866517601 - 2⁷ = 6866517473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6866517611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61335 + ... + 132268.

It is an arithmetic number, because the mean of its divisors is an integer number (888642360).

Almost surely, 2^6866517601 is an apocalyptic number.

It is an amenable number.

6866517601 is a deficient number, since it is larger than the sum of its proper divisors (242621279).

6866517601 is a wasteful number, since it uses less digits than its factorization.

6866517601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194855.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 6866517601 is about 82864.4531810836. The cubic root of 6866517601 is about 1900.6938925384.

The spelling of 6866517601 in words is "six billion, eight hundred sixty-six million, five hundred seventeen thousand, six hundred one".